准备进路
参考答案：车站值班员亲自或命令信号员或扳道员将列车进路上所有道岔开通并锁闭。
下列程序语言中，哪一个是输入语句
A．PRINT
B．INPUT
C．THEN
D．END
单句改错。
1. There are four peoples in my family.________
2. Are those your friend?________
3. That is his father friend.________
4. This isn’t her bag. It’s I bag.________
5. ---What are these?________
---These are apples.________
6. Are they your grandparent?________
7. ---Dad, he is my friend, Tom.
---Hello, Tom ________
8. Excuse me, is that yours watch? ________
9. Mr. Green is Jim father.________
10. What’s a name of his cat? ________
